package test1;


class Circle{
 void printArea(double r){
   System.out.println(r*r*3.1415926);
  }
}

class Rectangle{
 void printArea(double a,double b){
   System.out.println(a*b);
 }
}

public class MainClass{
 public static void main(String args[]){
  Circle circle=new Circle();
  circle.printArea(100);
  Rectangle rect=new Rectangle();
  rect.printArea(100,65);
 }
}
